JP2000262309A - Slider for slide fastener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slider capable of smoothly adjusting the fitting position of a fastener chain put through the slider by double sliding operation of a fastener stringer. SOLUTION: In this slider, right and left flanges 5 are provided from one wing plate 2 of the upper/lower wing plates 2 of a slider trunk 1 toward the other wing plate 2; a large-width end face part 10 of a large width extending to right and left is provided at a front end positioned on the upper side of the shoulder 6 of the flanges 5; the top surfaces 11 of a pair of the flanges 5 are provided with a plane parts 12 in parallel with the plates 2; an inverted-V- shaped or V-shaped projecting part 13 is provided on the part 12 extending from a front end 8 to a center along its inner edge. Then, the inversion parts of fastener elements are abutted on the parts 10 formed at the flange 5 to prevent the elements from coming off from the flanges or from being caught by the flange and by providing the part 13, a harmful influence is surely prevented and double sliding operation is simply executed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for a slide fastener having a coil-shaped fastener element formed mainly from a monofilament of a thermoplastic resin such as polyamide or polyester, and aligns the combination positions of left and right fastener stringers. And a slider in a slide fastener that allows the slider to slide smoothly without the fastener element being pulled out of the slider or digging into the flange while the pulling operation is easily performed.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 15, the top surfaces of a pair of right and left flanges for guiding a coiled fastener element, which are disposed on the upper and lower blades of a slider for a slide fastener, that is, the surface in contact with the fastener tape is wide. A slider for a slide fastener formed in a shape is disclosed in U.S. Pat. No. 2,909,824.

As shown in FIG. 16, a pair of left and right flanges for guiding a coil-shaped fastener element, which are disposed on the inner surface of the upper wing plate of the slider for a slide fastener, extend the rear end side in the left-right direction of the body. A slider for a slide fastener formed on a wide end face which expands is disclosed in Japanese Utility Model Publication No. 54-8885.

Further, as shown in FIG. 17, a pair of left and right flanges for guiding the coil-shaped fastener element, which are disposed on the upper and lower blades of the slider for the slide fastener, are provided.
Japanese Patent Publication No. 61-1769 discloses a slider for a slide fastener in which a step is provided on a surface opposed in the vertical direction and a projection is formed on the top surface of the flange.

[0005]

The conventional sliders for slide fasteners described in the preceding paragraph each have a part of the structure provided by the present invention, but are coated with a long coil-shaped fastener chain. Sewn to the adherend while cutting to the desired size according to the shape of the adherend such as bags,
During the sewing process, it is necessary to attach parts such as a slider and a bottom stop and a front stop. After combining at an arbitrary position, pulling one fastener stringer and pulling it together to forcibly move both fastener stringers so that the ends are aligned at the same position, or pulling the left and right fastener stringers to the left and right, often No measures have been taken to avoid the adverse effect of the resulting coiled fastener element slipping out of the guide groove of the fuselage over the flange.

Further, when the slider is slid in the closing direction while a tensile force is applied in the left and right direction to the left and right fastener stringers that are not completely closed,
No measures have been taken to eliminate the disadvantage that the tip of the flange interrupts the gap between adjacent fastener elements attached along the side edge of the fastener tape and the slider cannot slide.

The present invention has been made in consideration of the above-mentioned matters, and the invention according to claim 1 of the present invention mainly sews a fastener chain having a coil-shaped fastener element to an adherend. When attaching parts such as a slider, bottom stop and front stop to the fastener chain, after inserting the left and right fastener stringers into the slider and forcibly pulling both fastener stringers to adjust the position, Or, when the operation of sliding the slider in the closing direction is performed while the left and right fastener stringers are combined with the left and right fastener stringers, there is no risk that the coiled fastener element will come off the slider, and The tip of the flange interrupts the gap between the fastener elements, making it impossible for the slider to slide. It is the primary object to provide a slide fastener slider having a simple preventive mechanism have.

According to a second aspect of the present invention, in addition to the object of the first aspect, a so-called fastener element in which a coil-shaped fastener element is attached on one side of the fastener tape, that is, attached to one side of the fastener tape, is provided. It is an object of the present invention to provide a slider for a slide fastener suitable for a fastener chain having a form existing on one side of a tape.

According to a third aspect of the present invention, in addition to the object of the first aspect, a core cord is inserted into the coil-shaped fastener element, and the fastener tape is woven, and at the same time, the fastener element is attached to a side edge of the fastener tape. Weaving,
An object of the present invention is to provide a slider for a slide fastener suitable for a fastener chain in which fastener elements are present on both sides of a fastener tape.

According to a fourth aspect of the present invention, in addition to the object of the first, second, or third aspect of the present invention, a planar configuration of a pair of right and left flanges provided on the slider body in an upright manner is specified. This allows smooth operation of the fastener chain, smooth sliding of the slider, and prevents the coiled fastener element from slipping out of the slider against slipping or pulling left and right. It is an object of the present invention to provide a slider for a slide fastener.

[0011] The invention according to claim 6 is based on claims 1 and 2,
In addition to the object of the invention described in 3, 4 or 5, by forming a protruding portion on the top surface of a pair of left and right flanges provided upright on the slider body, the gap between the flange and the fastener tape is narrowed, An object of the present invention is to provide a slider for a slide fastener that can reliably prevent the coiled fastener element from coming off the slider when the fastener chain is pulled and pulled left and right.

The invention according to claims 7 and 8 is the invention according to claim 6
In addition to the object of the described invention, by specifying the protrusion and the related structure of the protrusion and the flat portion, the coiled fastener element withdraws from the slider for pulling operation of the fastener chain and pulling left and right, or An object of the present invention is to provide a slider for a slide fastener that can effectively and appropriately prevent damage to the fastener tape.

According to a ninth aspect of the present invention, in addition to the object of the fifth aspect, by specifying a relationship between a warp knitted fastener tape wale and an upright flange provided on the slider body. It is an object of the present invention to provide a slider for a slide fastener which can prevent a flange from biting into an adjacent wale surface of a warp knit fastener tape.

According to a tenth aspect of the present invention, in addition to the object of the first aspect, the slider is formed not only of a coil-shaped fastener element but also of any fastener element such as a metal or thermoplastic resin alone. Can be used for a fastener chain with a single-body type fastener element, and the slider can slide smoothly even when the left and right fastener stringers are under tension on the left and right. It is an object to provide a fastener slider.

[0015]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, there is provided an upper and lower blades 2, 3 of a slider body 1 from one of the blades 2, 3 to the other. A flange 5 for guiding a pair of left and right fastener elements 22 standing up to the blades 2, 3 is attached to the blades 2, 3.
A wide end surface portion 10 having a wide shape extending in the left-right direction of the body 1 is provided at a front end 8 of the flange 5 located on the shoulder opening 6 side of the body 1, and the top surface 1 of the pair of flanges 5 is provided.
Reference numeral 1 denotes a slide fastener slider provided with a plane portion 12 formed in parallel with the upper and lower blades 2 and 3 as a main component.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, any one of the upper and lower blades 2, 3 of the slider body 1 is connected to the other blade 2,3. , 3
A so-called coiled fastener element 22 having a pair of right and left flanges 5 provided on one of the wing plates 2 and 3 standing up toward the slider tape is a slider for a slide fastener of a type in which a so-called coiled fastener element 22 exists on one surface of a fastener tape.

According to a third aspect of the present invention, in addition to the configuration of the first aspect of the present invention, a pair of right and left flanges 5 are provided on the inner surfaces of the upper and lower wing plates 2 and 3 of the slider body 1 so as to face each other.
Are provided on the upper and lower wing plates 2 and 3, so-called coiled fastener elements 22 are present on both sides of the fastener tape.

According to a fourth aspect of the present invention, in addition to the configuration of the first, second or third aspect of the present invention, a pair of left and right wings provided on the upper and lower wings 2, 3 or one of the wings 2, 3 of the slider body 1 is provided. The flange 5 has a front end 8 located on the shoulder opening 6 side of the body 1 wider than a rear end 9 located on the rear opening 7 side of the body 1, and has a shape gradually expanded from the rear opening 7 side. It is a slider for fasteners.

According to a fifth aspect of the present invention, in addition to the structure of the first, second or third aspect of the present invention, a pair of left and right wings provided on the upper and lower wings 2, 3 or one of the wings 2, 3 of the slider body 1 is provided. The rear end 9 of the flange 5 located on the side of the rear opening 7 of the body 1 has
Wide end surface 1 of wide shape expanding in the left-right direction of body 1
0 is a slider for a slide fastener in which the entire flange 5 is formed wide.

[0020] The invention according to claim 6 is the invention according to claims 1, 2,
In addition to the configuration of the invention described in 3, 4 or 5, a pair of left and right flanges 5 provided on the upper and lower wing plates 2 and 3 or one of the wing plates 2 and 3 of the slider body 1 has a flat portion 1 formed on the top surface 11.
2 is a slider for a slide fastener in which a protruding portion 13 protruding toward the other blades 2 and 3 is formed from the front end 8 located on the shoulder opening 6 side of the body 1 to the center of the flange 5.

According to a seventh aspect of the present invention, in addition to the configuration of the sixth aspect of the present invention, a pair of left and right flanges 5 provided on the upper and lower blades 2, 3 or one of the blades 2, 3 of the slider body 1 is provided.
Is a protruding portion 1 protruding from a flat portion 12 formed on a top surface 11.
Reference numeral 3 denotes a slide fastener slider formed to protrude from the front end 8 of the flange 5 on the shoulder opening 6 side of the body 1 along the inner edge of the flange 5.

According to an eighth aspect of the present invention, in addition to the configuration of the sixth aspect, a pair of left and right flanges 5 provided on the upper and lower wing plates 2 and 3 or one of the wing plates 2 and 3 of the slider body 1 is provided.
Is a slider for a slide fastener in which a gentle slope portion 14 is formed at the boundary between the projecting portion 13 formed on the top surface 11 and the flat surface portion 12.

According to a ninth aspect of the present invention, in addition to the configuration of the fifth aspect, a pair of left and right flanges 5 provided on the upper and lower wings 2 and 3 or one of the wings 2 and 3 of the slider body 1 are provided.
Is a slider for a slide fastener formed so that the top surface 11 has a lateral width covering at least a single wale 25 knitted on a warp knitted fastener tape 24.

According to a tenth aspect of the present invention, in addition to the structure of the first aspect, the upper and lower wing plates 2 of the slider body 1 are provided.
At the front end 8 of the flange 5 provided in an upright state, a wide end face portion 10 having a width wider than the interval between adjacent fastener elements 22 of the fastener element 22 mounted on one side edge of the fastener tape is formed, It is a slider for a slide fastener to which the edge of the fastener element 22 can always contact in any state.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a slider for a slide fastener according to the present invention will be specifically described below with reference to the drawings.

In the slider for a slide fastener according to the present invention, the body 1 of the slider is die-cast from a zinc alloy or an aluminum alloy. The slider body 1 has an upper wing plate 2 and a lower wing plate 3 as shown in FIG. Are connected by guide columns 4, and a flange 5 for guiding the fastener element 22 is provided on the inner surface on both sides of the upper blade 2 so as to rise toward the lower blade 3, and this flange 5 is as shown in FIGS. At the front end 8 located on the side of the shoulder opening 6 of the body 1, a wide end surface portion 10 having a wide horizontal plane extending linearly in the transverse direction of the body 1, that is, in the left-right direction, is provided. The rear end 9 located on the side has a narrow width, so that the width is gradually increased from the rear end 9 to the front end 8, and the top surface 11 of the flange 5 is formed on the upper blade plate 2 or the lower blade plate 3. Formed parallel planar portions 12, slightly larger form than the gap between the flat portion 12 formed on the top surface 11 of the lower wing plate 3 and the flange 5 to the thickness of the fastener tape.

The slider body 1 is provided with a claw hole 17 at a position closer to the rear opening 7 from the guide column 4, and the plate spring 1 is provided.
8 so that the stop claws 19 can be protruded and retracted.
Is formed so as to be able to protrude and retract in a guide groove 20 for guiding the fastener element 22 of the body 1 by a pulling operation of the pull 16. In the figure, reference numeral 21 denotes a cover, which is a slider which is compatible with a fastener chain of a type in which a so-called fastener element is mounted on one side of the fastener tape, that is, a so-called fastener element is provided on one side of the fastener tape.

A feature of the slider according to the present invention is that when the fastener chain is sewn to an object such as clothing, the fastener chain is cut to a predetermined length and sewn. First, insert one fastener stringer into the slider, then insert the other fastener stringer into the slider, engage both fastener stringers at any position, then pull one fastener stringer, When forcibly performing a pulling operation so that the ends of the left and right fastener stringers are aligned, or when sliding the slider in the closing direction while the left and right fastener stringers are working with the left and right pulling forces, or When the fastener stringer is pulled left and right, for example, as shown in FIG. The element 22 is pulled in the left-right direction at the front end 8 of the slider flange 5 to widen the spacing between adjacent element legs of the coiled fastener element 22, and the front end 8 of the flange 5 rides over the reversing portion 23 to remove the gap between the element legs. It is characterized in that it is formed so as not to disturb the sliding of the slider by fitting into the slider.

In order to prevent the coiled fastener element 22 from coming off from the slider, a wide wide end face 10 is provided at the front end 8 of the flange 5 where the adjacent inverted portion 23 of the coiled fastener element 22 abuts. The front end 8 climbs over the reversing portion 23 and the coil-shaped fastener element 22 is formed so as to be hard to escape from between the top surface 11 of the flange 5 and the lower blade 3. Therefore, there is no possibility that the inverted portion of the coiled fastener element is interrupted at the tip of the conventional narrow flange, and the slider cannot slide.

The slider of the second embodiment shown in FIGS. 5 to 8 will be described. The differences from the first embodiment are as follows.
This is a form of a top surface 11 of a flange 5 provided on both inner surfaces of the upper wing plate 2 of the slider body 1 so as to rise toward the lower wing plate. A flat portion 12 formed on the top surface 11 of the flange 5
Further, a protruding portion 13 protruding toward the lower wing plate 3 is provided along an inner edge from a wide end face portion 10 formed at the front end 8 of the flange 5 to a central portion of the flange 5.
Is protruded so as to have a U-shape or a reverse U-shape.
A gentle slope 14 is formed at the boundary between the convex portion 13 and the flat portion 12 so as to reduce friction between the projecting portion 13 and the fastener tape so that the slider can slide smoothly. Form.

As shown in FIG. 7, the lower blade 3 is provided on the top half 11 of the flange 5 in the front half of the plane portion 12 thereof.
Is formed, the distance between the top surface 11 of the flange 5 and the lower blade 3 is smaller than that of the slider of the first embodiment, and the front end 8 of the flange 5 is Can be more accurately prevented from being inserted into the reversing section 23 of the first embodiment.

Further, as shown in FIG. 8, the projecting portion 13 extends from the front end 8 of the flange 5 to the central portion thereof.
Formed along the inner edge of the flat portion, the proportion of the area of the protruding portion 13 occupying the flat portion 12 is reduced, and the frictional resistance generated when the protruding portion 13 contacts the fastener tape when the slider is slid is minimized. be able to.

The slider according to the third embodiment shown in FIG. 9 is provided on both inner surfaces of the upper wing plate 2 of the slider body 1 such that a flange 5 stands up toward the lower wing plate 3.
A protruding portion 13 protruding toward the lower blade plate 3 is formed on a flat surface portion 12 on the top surface 11 of the flange 5, and the protruding portion 13 extends from the wide end surface portion 10 formed on the front end 8 of the flange 5 to the top surface 11 of the flange 5. Is a slider provided on the plane portion 12 so as to protrude in parallel with the upper wing plate 2 up to the central portion.

This slider also has a protruding portion 13 protruding toward the lower blade 3 in the front half of the flat portion 12 on the top surface 11 of the flange 5.
The distance between the lower blade 3 and the lower blade 3 is narrower than that of the slider of the first embodiment, so that the front end 8 of the flange 5 can be more accurately prevented from being fitted into the reversing portion 23 of the coiled fastener element 22. .

The slider according to the fourth embodiment shown in FIG. 10 is provided with flanges 5 standing on the inner surfaces on both sides of the upper blade 2 and the lower blade 3 so as to face the opposite blades 2 and 3, respectively. A protruding portion 13 is provided on the flat portion 12 so as to extend parallel to the upper and lower blades 2 and 3 in an inverted or inverted shape along the inner edge of the top surface 11 of the flat surface 11. 5 is a slider provided so as to protrude from the wide end face 10 formed at the front end 8 of the front end 5 to the center of the top face 11 of the flange 5.

A slider of this type is a fastener chain in which a fastener tape is woven at the same time as a fastener tape in which a core string is inserted into a coil-shaped fastener element 22 on one side edge of the fastener tape, that is, a coil-shaped fastener element. Reference numeral 22 denotes a slider that is compatible with a fastener chain of a type that extends over both surfaces of the fastener tape.

This slider also has projections 13 protruding toward the opposing blades 2 and 3 along the inner edge of the front half of the plane portion 12 on the top surface 11 of the flange 5 of the upper and lower blades 2 and 3 respectively. Therefore, the top surface 11 of one flange 5
The distance between the top surface 11 of the other flange 5 opposite to the first surface is the first.
The front end 8 of the flange 5 is narrower than the slider of the embodiment, and the inverted portion 23 of the coil-shaped fastener element 22
Can be more accurately prevented from being interrupted.

The slider according to the fifth embodiment shown in FIG. 11 has a lower wing plate 3 on both inner surfaces of an upper wing plate 2 of a slider body 1.
A flange 5 is provided which stands upright. This flange 5
Is formed from the wide end face portion 10 formed at the front end 8 to the body 1
The width of the flange 5 is formed to be substantially the same size over the entire rear opening 7, and the wide end surface portion 10 is also formed at the rear end 9, so that a wide flat surface is formed over the entire top surface 11 of the flange 5. A part 12 is formed.

The slider has a wide end face 10 at the rear end 9 as well as at the front end 8 of the flange 5, so that when the left and right fastener stringers are pulled, the wide end face 10 of the rear end 9 is used. In the same manner as in the front end 8, the adjacent reversing portions 2 of the coiled fastener element 22
3, the front end 8 and the rear end 9 before and after the flange 5 do not go over the inverted portion 23 of the coiled fastener element 22 and do not fit between the adjacent element legs. Operation is not hindered.

This slider is, for example, shown in FIG.
As shown in the figure, the fastener tape 24 is a warp knitted fastener tape 24, and is a slider suitable for a fastener chain of a type in which a coiled fastener element 22 is sewn on a fastener tape 24 in which a wale 25 is knitted on one surface of the tape. In addition, the top surface 11 of the wide flange 5 faces the surface of the wale 25 of the warp knit fastener tape 24 and is formed so as to cover the wale 25.

Therefore, when the slider slides on the warp knit fastener tape 24, the flange 5
The top surface 11 and the surface of the wale 25 can be sufficiently secured in surface contact, and the flange 5 and the wale 24 support each other, so that the outer edge portion or the inner edge portion of the flange 5, that is, the edge is For a slide fastener of a type in which the warp knit fastener tape 24 does not bite into the groove between the adjacent wales 25, the slider can slide smoothly, and the warp knit fastener tape 24 does not cause damage such as thread breakage. It is a slider.

The application range of the slider described above has been described for a fastener chain having a coiled fastener element formed from a thermoplastic monofilament. However, the slider of the present invention is necessarily intended only for the coiled fastener element. However, the present invention can also be used as a slider of a fastener chain in which a single-piece type fastener element formed of a metal or thermoplastic resin alone is attached to one side edge of a fastener tape. However, in a fastener chain with a single-body type fastener element, the left and right fastener stringers cannot be operated in a pulling manner, but the combined left and right fastener stringers are in a state in which a left-right tensile force is applied, For example, it is suitable as a slider used when the slider is slid to close a slide fastener attached to an opening of a bag or the like which is full of stored items.

The slider used for the fastener chain equipped with a single-body type fastener element is shown in FIG.
As shown in FIGS. 3 and 14, flanges 5 are provided on the inner surfaces of the upper and lower wings 2, 3 of the slider body 1 on both sides to face the wings 2, 3 facing each other.
The top surface 11 forms a flat plane portion 12 from the rear end 9 to the rear end 9, and the flat wide end surface portion 10 extending in the left-right direction of the body 1 is formed at the front end 8 of the flange 5 facing vertically.

The wide end face portion 10 has a width wider than the interval between adjacent fastener elements 22 of a single fastener element 22 injection molded using a thermoplastic resin on one side edge of the fastener tape. Form. Therefore, the left and right fastener stringers
As shown in FIG. 4, when the slider is slid in the closing direction in a state where the pulling force in the left and right direction is acting, the fastener element 2 is attached to the wide end face 10 of the front end 8 of the flange 5.
2 is formed so that the edge of the slider 2 can be always in contact with the next, so that even if the slider is forcibly slid, the flange of the slider bites into the gap between the fastener elements as in the related art. Sliding does not become impossible. It is also possible to provide the protruding portion 13 described in the previous example on the flat portion 12 on the top surface 11 of the flange 5.

[0045]

The slider for a slide fastener according to the present invention has the configuration as described above, and has the following effects by this configuration.

According to the first aspect of the present invention, a pair of flanges that stand from one of the upper and lower blades of the slider body toward the other are provided, and a front end of the flange is provided with a pair of flanges.
By providing a wide end surface that expands in the left and right direction of the fuselage, the top surface of the flange has formed a flat surface parallel to the upper and lower blades, forcibly pulling both fastener stringers, or When the slider is slid in the closing direction while a pulling force in the left-right direction is applied, the inverted portion adjacent to the coiled fastener element or a single fastener element made of metal or thermoplastic resin that is independent of each other. Edge of the flange abuts against the wide end face of the flange, and the front end of the flange goes over the inverted part of the coiled fastener element and fits between adjacent fastener elements, or the front end of the flange in the gap between the single fastener elements Does not prevent the sliding of the bite slider, or if the coiled fastener element is There is an effect to prevent the pull-out.

According to a second aspect of the present invention, in addition to the effects of the first aspect of the present invention, a pair of flanges rising from one of the upper and lower blades toward the other blade is provided on one of the upper and lower blades. By providing the wing plate, there is an effect that a slider suitable for a fastener chain in which the coil-shaped fastener element is mounted on one side of the fastener tape can be easily provided.

According to a third aspect of the present invention, in addition to the effects of the first aspect of the present invention, a pair of flanges are provided on the inner surfaces of the upper and lower blades so as to be opposed to each other. There is an effect that it is possible to easily provide a slider suitable for a fastener chain in which a fastener element is mounted on both sides of one side of a fastener tape.

According to a fourth aspect of the present invention, in addition to the effects of the first, second or third aspect, the width of the front end located on the shoulder opening side is wider than that of the rear end located on the rear opening side. The gradual enlargement prevents the fastener element from being pulled out from the shoulder opening of the slider, minimizes the area of the flat part formed on the top surface of the flange, and slides the slider to the flat part. There is an effect that the frictional resistance caused by the contact with the tape can be reduced.

According to a fifth aspect of the present invention, in addition to the effects of the first, second or third aspect of the present invention, a wide end surface extending in the left-right direction of the body is provided at the rear end located on the rear opening side of the flange. , The entire flange is formed wide, so that when the left and right fastener stringers are pulled, the inverted portion of the coiled fastener element abuts the wide end face at the rear end of the flange, and the coiled fastener element is moved to the rear end of the flange. This has the effect of preventing escape from the vehicle.

The invention according to claim 6 is the invention according to claims 1, 2,
In addition to the effects of the invention described in 3, 4, or 5, in addition to the fact that a protruding portion protruding from the front end located on the shoulder opening side to the center of the flange is formed on the flat surface of the top surface of the flange toward the other blade plate side. The effect of narrowing the gap existing between the flange and the fastener tape, and reliably preventing the coil-shaped fastener element from coming off from the front end of the flange against the pulling operation of the fastener chain or the pulling to the left and right. There is.

According to a seventh aspect of the present invention, in addition to the effect of the sixth aspect of the present invention, the protrusion formed on the top surface of the flange is formed along the inner edge from the front end of the flange, so that it faces the fastener tape. The area of the projecting portion that becomes smaller becomes smaller, and the sliding friction resistance of the slider caused by the contact between the fastener tape and the projecting portion can be reduced,
There is an effect that smooth sliding of the slider can be achieved.

According to an eighth aspect of the present invention, in addition to the effect of the sixth aspect, a slope portion is formed at a boundary between a projecting portion formed on the top surface of the flange and a flat surface portion.
Since the top surface of the flange is a smooth surface without any extreme steps, there is an effect that the sliding operation of the slider can be performed smoothly and the fastener tape is not damaged.

According to a ninth aspect of the present invention, in addition to the effects of the fifth aspect, the flange is formed so that the top surface thereof faces the wale of the fastener tape having a warp knit structure and has a lateral width covering the wale. By doing so, the edge of the outer edge or the inner edge of the flange does not cut into the groove between adjacent wales of the warp knit fastener tape when the slider slides, so that damage to the warp knit fastener tape is reliably prevented, and There is an effect that the sliding operation of can be performed smoothly.

According to a tenth aspect of the present invention, in addition to the effects of the first aspect of the present invention, the wide end face portion provided at the front end of the flange is provided between adjacent fastener elements of the fastener element mounted on one side edge of the fastener tape. By having a wider width than the gap, the slider has not only a coil-shaped fastener element but also all fastener elements such as a single fastener element formed from a single piece made of metal or thermoplastic resin. It can also be used for fastener chains.

Further, even when the slider is in the state where the left and right fastener stringers are subjected to the pulling force in the left and right direction, the flange never enters the gap between the adjacent fastener elements. The effects of the present invention are extremely remarkable, such as an effect that the slider does not slide into the gap between the flanges and the slider can be smoothly slid, and the slider can be smoothly slid.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing the inner surface of an upper wing plate of a slider for a slide fastener according to a first embodiment.

FIG. 2 is a sectional view showing an inner surface of an upper wing plate of the slider.

FIG. 3 is a side view of the slider.

FIG. 4 is a sectional view showing an operation state of the slider.

FIG. 5 is a partially cutaway perspective view showing an inner surface of an upper wing plate of a slider for a slide fastener according to a second embodiment.

FIG. 6 is a sectional view showing the inner surface of the upper wing plate of the slider.

FIG. 7 is a side view of the slider.

FIG. 8 is a sectional view showing an operation state of the slider.

FIG. 9 is a cross-sectional view showing an inner surface of an upper wing plate of a slider for a slide fastener according to a third embodiment.

FIG. 10 is a side view of a slider for a slide fastener according to a fourth embodiment.

FIG. 11 is a sectional view showing an inner surface of an upper wing plate of a slider for a slide fastener according to a fifth embodiment.

FIG. 12 is a bottom view showing the use state of the slider.

FIG. 13 is a side view of a slider for a slide fastener according to a sixth embodiment.

FIG. 14 is a sectional view showing an operation state of the slider.

FIG. 15 is a cross-sectional view of a known slider.

FIG. 16 is a cross-sectional view showing the inner surface of the lower wing plate of another known slider.

FIG. 17 is a perspective view of still another known slider.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Slider fuselage 2 Upper wing plate 3 Lower wing plate 5 Flange 6 Shoulder opening 7 Rear opening 8 Front end 9 Rear end 10 Wide cross section 11 Top surface 12 Flat part 13 Projection part 14 Slope part 22 Fastener element 23 Inversion part 24 Warp knit fastener tape 25 wale

Claims (10)

[Claims] 1. A pair of flanges 5 that stand from one of upper and lower wing plates 2 and 3 of a slider body 1 toward the other are provided.
At the front end 8 of the flange 5 located on the shoulder opening 6 side of the fuselage 1, a wide end face portion 10 extending in the left-right direction of the fuselage 1 is provided, and the top surface 11 of the flange 5 is a plane parallel to the upper and lower blades 2, 3. A slider for a slide fastener, comprising a part (12). 2. A pair of flanges 5 rising from one of the upper and lower blades 2, 3 toward the other blade 2, 3 is provided on one of the upper and lower blades 2, 3. Claim 1
Slider for the described slide fastener. 3. A slider for a slide fastener according to claim 1, wherein a pair of flanges 5 standing upright on the inner surfaces of the upper and lower blades 2 and 3 are provided on both the blades 2 and 3 respectively. 4. A rear end 9 located on the rear opening 7 side of the flange 5.
The slider for a slide fastener according to claim 1, 2 or 3, wherein the front end 8 located on the shoulder opening 6 side is wider than the horizontal width of the front end 8 so as to be gradually enlarged. 5. A rear end 9 located on the rear opening 7 side of the flange 5.
The wide end face part 10 which expands in the left-right direction of the fuselage 1 is provided, and the whole flange 5 is formed wide.
Or a slider for a slide fastener according to 3. 6. A flat portion 1 of a top surface 11 of a flange 5.
A projecting portion (13) protruding toward the other blade (2, 3) from the front end (8) located on the shoulder opening (6) side to the center of the flange (5). Slider for the described slide fastener. 7. The slider for a slide fastener according to claim 6, wherein the projecting portion formed on the top surface of the flange is formed along the inner edge from the front end of the flange. 8. The slider for a slide fastener according to claim 6, wherein an inclined surface portion is formed at a boundary between the projecting portion formed on the top surface of the flange and the flat surface portion. 9. The slider for a slide fastener according to claim 5, wherein the top surface of the flange has a width covering at least a single wale of the warp knitted fastener tape. 10. A wide end face portion 10 provided at a front end 8 of a flange 5 is provided on a fastener element 2 adjacent to a fastener element 22 mounted on one side edge of a fastener tape.
2. The slider for a slide fastener according to claim 1, wherein the slider has a width wider than an interval between the two.